3x + 3 - x + (-7) > 6
Simplify.
3x + 3 - x - 7 > 6
Add like terms.
(3x - x) + (3 - 7) > 6
Simplify.
2x - 4 > 6
Now, we're essentially trying to get "x" by itself.
So, we must add 4 to both sides.
2x > 6 + 4
Simplify.
2x > 10
Divide both sides by 2.
x > 5
~Hope I helped!~